Sabías que…

El régimen franquista adoptó el término fascista de "democracia orgánica" para definir su sistema político frente a la democracia liberal. En este sistema, los miembros de las instituciones…

Sabías que...

La libertad creadora de los artistas informalistas se evidencia tanto en la elección de materiales como en las técnicas empleadas. Aparte del collage cubista, también se utilizaron el grattage, que…

El sintagma verbal predicado

El sintagma verbal predicado El texto

El sintagma nominal i el sintagma verbal. L'oració

Tècniques de treball intel·lectual

Tècniques de treball intel·lectual Oracions subordinades adverbials

Final Autoevaluation 1.01 - Plant nutrition

J. van Helmont's experiment Van Helmont (1577-1644), a Flemish doctor and chemist, thought that in addition to water, air and substances in soil, other elements must be necessary for plant…

Biotic factors

3.1. Biotic factors Biotic factors are the relationships between living things. They vary according to the organisms involved and are classified as: Intraspecific relationships, where individuals of the…

The Indonesian earthquake

On December 26, 2004, there was an earthquake in the Indian Ocean which measured 9.2 on the Richter scale. It caused a series of tsunamis which affected the coasts of Indonesia, Thailand, Sri Lanka,…

Final Autoevaluation T07 04 - Energy inside the Earth

Choose the correct word to complete the sentence: Earthquakes caused by the friction of rock masses are called... Tectonic earthquakes are of magnitude... The frequency of volcanic earthquakes is... The…

The nature of light

2.1. What is light? Light has an undulatory nature; this means it is made up of waves. Visible light (that can be seen by the human eye) belongs to a larger group of waves called electromagnetic waves.…